From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: suggestion on resumption
Date: Fri, 27 Nov 2009 01:47:44 +0100
Message-ID: <200911270147.44837.rjw@sisk.pl>
References: <200911262259.59152.oliver@neukum.org>
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To: Oliver Neukum <oliver@neukum.org>
Cc: linux-pm@lists.linux-foundation.org
List-Id: linux-pm@vger.kernel.org

On Thursday 26 November 2009, Oliver Neukum wrote:
> Hi,
> 
> using the USB autosuspend framework I've often faced characteristic
> problems coding resume() methods. This has led me to an idea. Resume()
> would be much easier to code if I knew about the reason of resumption,
> especially about the code path resume() is called in. I wonder whether
> we could introduce a message argument to resume and give it a few
> bits from the caller.

Each of the callbacks in struct dev_pm_ops is executed in exactly one context,
so for each of them it is known why it was called.

Thanks,
Rafael